59 lines
1.7 KiB
Java
59 lines
1.7 KiB
Java
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.internal.os;
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import android.os.SystemClock;
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/**
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* A wrapper for SystemClock, intended for mocking in unit tests.
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*/
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@android.ravenwood.annotation.RavenwoodKeepWholeClass
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public abstract class Clock {
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/** Elapsed Realtime, see SystemClock.elapsedRealtime() */
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public long elapsedRealtime() {
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throw new UnsupportedOperationException();
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}
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/** Uptime, see SystemClock.uptimeMillis() */
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public long uptimeMillis() {
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throw new UnsupportedOperationException();
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}
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/** Wall-clock time as per System.currentTimeMillis() */
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public long currentTimeMillis() {
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throw new UnsupportedOperationException();
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}
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public static final Clock SYSTEM_CLOCK = new Clock() {
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@Override
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public long elapsedRealtime() {
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return SystemClock.elapsedRealtime();
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}
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@Override
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public long uptimeMillis() {
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return SystemClock.uptimeMillis();
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}
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@Override
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public long currentTimeMillis() {
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return System.currentTimeMillis();
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}
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};
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}
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